At some 1,000 miles, the Mackenzie is the longest river in Canada.

麦肯齐河是加拿大最长的河流，全长约1000英里。

At some 2,300 miles in length, the Mississippi is the longest river in the United States.

密西西比河全长约2300英里，是美国最长的河流。

It will take an hour at the longest.

这事最多花一小时。

It was my longest motorcycle ride yet, at about 175 miles, and I experienced freezing my ass off for the first time too.

这是我骑摩托车最长的一次，大约175英里，我第一次感觉自己的屁股都快冻僵了。

Four of the top 10 longest rivers flow through China at some point.

十条最长的河流中有四条都流经中国。

He created paintings of trains between January and March in 1877, at the train station with the longest history in Paris.

1877年一月到三月，他在巴黎历史最悠久的火车站创作了一系列火车画作。

At nearly 3,200 kilometers long, it is the world's longest man-made waterway.

其全长近3200公里，是世界上最长的人工水道。

The longest track and field event at the Summer Olympics is the 50-kilometer race walk, which is about five miles longer than the marathon.

夏季奥运会最长的田径项目是50公里竞走，比马拉松距离还长大约5英里。

The river system of the Mississippi River and the Missouri River is the longest river system in North America at 3,902 miles.

密西西比河和密苏里河水系是北美最长的水系，全长3902英里。

Then came the real test, at one of the longest wave simulators in North America.

然后进行的是现场实验，就在北美最长的一个波浪模拟器里。

The dome used sophisticated window shades to control its inside temperature and also housed the world's longest escalator at the time.

该建筑使用复杂的窗户形状来控制内部温度，它的内部建造了当时世界上最长的电梯。

Not only that, but when a wave threatened to return the seal to danger, the humpback used its massive flipper (at five metres, the longest in the animal kingdom) to nudge it back on.

不仅如此，当一个浪头即将把海豹扫回险境之时，座头鲸还利用它的巨大的鳍状肢(五米长，动物王国中最长的)把它轻轻地推了回来。

The shoppers I studied who took the longest, examining packages, stopping at whatever caught their eye, invariably spent more money.

我所研究的耗时最长的顾客总是花更多钱，他们研究包装、为任何映入他们眼帘的物品而驻足。

The last team to visit that U.S. stationset a world record at the time for longest stay in orbit, 84 days.

最后一批进入美国空间站的宇航员创造了一项最长在轨时间（84天）的世界纪录。

Basic computer skills take — at the very longest-a couple of months to learn.

掌握基本的计算机技能最长也只要一两个月时间。

The longest waits of the year are for train tickets home at Spring Festival; one friend waited overnight only to be told they weren't even selling tickets to his town.

一年中等待时间最长的队伍是春运的时候；有一位朋友排了一晚上队，排到了才被告知不卖向他家开的火车票。

The 14-cylinder engine turns the longest propeller shaft (130 metres) ever built, at the end of which is the largest propeller, weighing in at 130 tonnes.

14缸发动机转动最长的推进器杆(130米)，在其末端是最大的推进器，重130吨。

"Guinness world Records" lists the longest-lasting bulb in the world as the "Centennial Light" at a fire-station in Livermore, California, which has been burning almost continuously since 1901.

在《吉尼斯世界纪录》中，记载了世界上照明持续时间最长的灯泡——一盏加利福尼亚州利弗莫尔的一个火电站里的“世纪灯”，自从1901年，它几乎就一直亮着。

At 5, 989 feet (1825 m), it was the longest suspension bridge in the world from its opening until 1903, and the first steel-wire suspension bridge.

桥长5989英尺（1825米），自1903年投入使用以来，一直是世界上最长的吊桥和第一座钢索吊桥。

A picture taken with my trusty (and heavy) Pentax 6x7 at 10:30 in the evening on the longest day of the year.

一年中最长的一天，晚上十点半，我用我那很可靠的(也是很重的)宾得6x7相机拍下这张照片。

Watson is a red desert moonscape on the Nullarbor Plain at the eastern end of the world's longest stretch of straight rail track, 478km (297 miles).

沃森火车站是纳勒博平原上一个荒凉的红色沙漠景点，位于世界上最长的直线铁路(478 km或297英里)东线的末端。

A thousand people in Taipei attended a free dinner at a 1km-long table Sunday night, hoping to set a record of the world's longest dinner table.

作为"2009台北国际时尚秀"的压轴戏，台北市商业处5日晚在台北邀请1000人免费共进晚餐，餐桌总长约1公里，希望挑战"世界最长晚餐"纪录。

Even more visible, though, is the Sutong Bridge, which at 1088 meters (3570 feet) is the world's longest cable-stayed bridge, and the first whose main span exceeds 1000 meters.

尽管如此，更加夺人目光的是1088米长（苏通大桥全长32.4公里——译注）的苏通长江大桥，这是世界最长的斜张桥，而且也是第一座主跨部分超过1000米的大桥。

The society that created hybrid cars and the Walkman has 99 percent literacy and the world's longest life expectancy at 83 years.

日本发明了混合动力汽车和随身听，国民文化普及率高达99%并且享受着83岁这一世界最长平均寿命（注：日本女性平均寿命86.4岁，男性79.5岁，文中取平均数）。

She lived an estimated 53 years, one of the longest lives recorded at Gombe.

她活了大约有53年，在贡贝记录中是寿命最长的一个之一。

Keepers said Asian elephants have the longest gestation period - at 22 months - of any animal in the world.

动物看护人员说，比起世界上其他动物来，亚洲象有最长的怀孕期——22个月。

The economic expansion will most likely continue at a modest pace, turning into one of the longest ever in peacetime.

经济增长很可能以较小的幅度(适度)增长，成为和平时期以来持续最长的一次经济增长。